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Relay location on the thirteen position auxiliary relay panel, above relay panel: 1 – Auxiliary Emergency Flasher Relay (404) 2 – Relay for Motor Remote Unlock Rear Lid (79) 3 – Starting Interlock Relay (53) (185) (465) 4 – Fog Light Relay (53) 5 – Control Module for Multi-function Steering Wheel (450) 6 – Control Module for Multi-function Steering Wheel (450) 7 – Daytime Running Lights Change-over Relay (173), from April 1999 8 – Daytime Running Lights Change-over Relay (173), through March 1999 9 – Dual Horn Auxiliary Relay (53) 10 – Glow Plug Relay (180) 10 – Warning Lamp Auxiliary Relay (200) 11 – Park/Neutral Position (PNP) Relay (175) 12 – Power Supply (Terminal 30, B+) Relay (109) Relay Panel: 1 – Dual Horn Relay (53) 2 – Load Reduction Relay (18) (100) 4 – Fuel Pump (FP) Relay (409) V – Wiper/Washer Intermittent Relay (192) (377) (389) VI – Wiper/Washer Intermittent Relay (192) (377) (389) NOTE Number in parentheses ( ) indicates production control number stamped on relay housing.

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1. Remove fuel pump relay from power distribution center at driver’s side front corner of engine compartment, near the battery. Note terminal identification on fuel pump relay. See Fig. 6 . 2. To check fuel pump relay resistance, use ohmmeter and check resistance between terminals No. 85 and 86 on fuel pump relay. Replace fuel pump relay if resistance is not 70-80 ohms. 3. To check fuel pump relay operation, connect ohmmeter between terminals No. 30 and 87A on fuel pump relay. See Fig. 6 . Ohmmeter should indicate continuity between terminals No. 30 and 87A on fuel pump relay. 4. Connect ohmmeter between terminals No. 30 and 87 on fuel pump relay. See Fig. 6 . Ohmmeter should indicate no continuity between terminals No. 30 and 87 on fuel pump relay. CAUTION: DO NOT allow ohmmeter leads to contact terminals No. 85 and 86 on fuel pump relay when fuel pump relay is energized. 5. Connect 16-gauge jumper wire between negative battery terminal and terminal No. 85 on fuel pump relay. Connect 16-gauge jumper wire between positive battery terminal and terminal No. 86 on fuel pump relay. 6. Fuel pump relay should now be energized. No continuity should now exist between terminals No. 30 and 87A on fuel pump relay. Continuity should now exist between terminals No. 30 and 87 on fuel pump relay. Disconnect jumper wires. Replace fuel pump relay if defective. 7. If fuel pump relay or wiring circuit failure exists, a Diagnostic Trouble Code (DTC) will be stored in Powertrain Control Module (PCM). See appropriate G – TESTS W/CODES article.

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Fuse Locations in Power Distribution Box / Relay Box : Layout Of Front Power Distribution Box Door Lock – Fuel Injector Fuel Injector – Ignition Coil Park Heating – Seat Lumber Seat Lumber – Trunk Lock 1990 BMW 750iL (E32/2) V12-4988cc 5.0L SOHC (M70) Vehicle Level Locations Fuse and Fusible Link Locations

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No. 1/1 2/1 2/2 2/4 2/5 2/6 2/7 2/11 2/15 2/16 2/17 2/20 2/22 2/23 2/28 2/30 2/32 2/35 2/44 2/46 2/53 2/61 2/66 3/1 3/2 3/3 3/4 3/6 3/7 Component Name Battery Headlight relay with bulb failure sensor Foglight relay Intermittent wiper relay, windshield wipers Relay, seat belt reminder/ignition key warning Overload relay 15I Central lock relay, inside lighting, delayed action Relay, engine cooling fan Relay exhaust temperature sensor Intermittent wiper relay, tailgate wiper Horn relay Relay auto down power windows Automatic climate control A/C relay Relay, fuel pump Anti-theft relay Overload relay, +X Main relay, Fuel Injection system Start motor 50 relay Relay rear window/door mirror heating Relay ignition coil Air pump relay Parking lights relay Relay, fog lights, USA Ignition lock High and low beam switch Switch, turnsignal/high-low beam Cruise control operation Switch, hazard warning with flasher relay Foglight switch

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R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 WINDSHIELD WIPER MOTOR RELAY WINDSHIELD HEATER RELAY HORN RELAY ACCESSORY POWER RELAY POWER WASH PUMP RELAY A/C COMPRESSOR CLUTCH RELAY EMS CONTROL RELAY TCM RELAY DIP BEAM RELAY STARTER RELAY THROTTLE MOTOR RELAY R15 R16 R17 R18 R19 R20 R21 MAIN BEAM / FRONT FOG RELAY NOT USED REVERSE LAMPS RELAY IGNITION RELAY HEATED REAR WINDOW RELAY A/C BLOWER RELAY BATTERY SAVER RELAY